14042221 has 6 divisors (see below), whose sum is σ = 14917130. Its totient is φ = 13215936.

The previous prime is 14042219. The next prime is 14042233. The reversal of 14042221 is 12224041.

14042221 is nontrivially palindromic in base 16.

14042221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6832996 + 7209225 = 2614^2 + 2685^2 .

It is not a de Polignac number, because 14042221 - 2¹ = 14042219 is a prime.

It is a super-2 number, since 2×14042221² = 394367941225682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14042195 and 14042204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14042201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24006 + ... + 24583.

Almost surely, 2^14042221 is an apocalyptic number.

It is an amenable number.

14042221 is a deficient number, since it is larger than the sum of its proper divisors (874909).

14042221 is an equidigital number, since it uses as much as digits as its factorization.

14042221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48623 (or 48606 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 14042221 is about 3747.2951578439. The cubic root of 14042221 is about 241.2562656878.

Adding to 14042221 its reverse (12224041), we get a palindrome (26266262).

The spelling of 14042221 in words is "fourteen million, forty-two thousand, two hundred twenty-one".